789456 has 20 divisors (see below), whose sum is σ = 2039552. Its totient is φ = 263136.

The previous prime is 789443. The next prime is 789473. The reversal of 789456 is 654987.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8176 + ... + 8271.

2⁷⁸⁹⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

789456 is an abundant number, since it is smaller than the sum of its proper divisors (1250096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

789456 is a wasteful number, since it uses less digits than its factorization.

789456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16458 (or 16452 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 789456 is about 888.5133651218. The cubic root of 789456 is about 92.4221307160.

The spelling of 789456 in words is "seven hundred eighty-nine thousand, four hundred fifty-six".